[rabbitmq-discuss] Question on RabbitMQ and file I/O characteristics

Matthias Radestock matthias at rabbitmq.com
Mon Aug 19 08:12:24 BST 2013


On 15/08/13 18:00, Matt Pietrek wrote:
> Understood - Back to the original question, in this scenario would you
> expect each written message to cause approximately four disk writes?
> Naively, I'd expect it to be closer to two or three writes.

1st write: message
2nd write: queue index data for publish
3rd write: queue index data for deliver
4th write: queue index data for ack


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